| In an undirected graph, (i,j) means that node i and node j are connected with an undirected edge. | |
| The nodes are numbered from 0 to 12, and the edges are: (12,4) (3,5) (0,2) (7,9) (10,4) (3,9) (12,8) (7,6) (1,11) (10,8) (4,7) (12,1) (2,3) (2,9) (11,8) (7,3) (11,12) (11,9) (8,6) (0,7) (4,8) (5,2) (1,7) (3,12) (5,12) (6,4) (9,1) (1,3). |